// Copyright (C) 2018 Valerie Young. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-asynciteratorprototype
description: Property descriptor
info: |
    ECMAScript Standard Built-in Objects

    Every other data property described in clauses 18 through 26 and in Annex
    B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false,
features: [Symbol.asyncIterator, async-iteration]
includes: [propertyHelper.js]
---*/

function Test() {
    async function* generator() {}
    var AsyncIteratorPrototype = Object.getPrototypeOf(Object.getPrototypeOf(generator.prototype))

    assert.sameValue(typeof AsyncIteratorPrototype[Symbol.asyncIterator], 'function');

    verifyProperty(AsyncIteratorPrototype, Symbol.asyncIterator, {
      enumerable: false,
      writable: true,
      configurable: true,
    }, {restore: true});

}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_TEST; i++) {
    Test();
}
